Patents by Inventor Tobias Zekorn

Tobias Zekorn has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Non-mitogenic substance, its preparation and use
    Patent number: 6090793
    Abstract: Proposed is a mitogen-free substance comprising cross-linked copolymers including 10 to 90 mole % of guluronic acid, the balance being made up of mannuronic acid. The substance has a molecular weight of from 10,000 to 500,000 Daltons. Also proposed are methods for preparing such substances and their use.
    Type: Grant
    Filed: August 10, 1994
    Date of Patent: July 18, 2000
    Assignee: Monsanto Europe S.A.
    Inventors: Ulrich Zimmermann, Konrad Federlin, Tobias Zekorn, Gerd Klock